Are different fuel "types" modelled in the COD?

[fireship4]

Originally Posted by Blackdog_kt

The Spitfire had a pressure escape valve, so when the coolant would overheat and pressure in the coolant lines increased too much, it would be able to automatically reduce pressure and not break the lines by literally letting off some steam through the valve. However, this means that the coolant is escaping into the outside air, so the total amount of it is reduced and it's easier to overheat the second time, even easier the third and so on.

I would really like this and the fuel quality aspects to be modelled.